Pull up bar



FIG. 1 is a top, front, left perspective view of a pull up bar showing my new design;

FIG. 2 is a top, front, right perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top, front, left perspective view of the design in FIGS. 1-7 positioned above a door frame shown as example environment.

The broken lines showing lettering in FIGS. 1-3 and 8 show features of example environment that form no part of the claimed design. The broken lines depicting the remainder of the pull up bar and the example environment in FIG. 8 show features that form no part of the claimed design. 

CLAIM The ornamental design for a pull up bar, as shown and described. 